- SAE A 928 Type 2507
- SAE A 790 Type 2507
- SAE A 270 2507
- SAE A 240 Type 2507
- UNS 422M (Cast)
- UNS 422M
- AMS SA-572 Grade 42 Type 2
- AISI S42226
- AISI S42225
- AISI R04220
- AISI K44220
- AISI K42247
- AISI K11422
- AISI J94224
- AISI J91422
- AISI J42240
- AISI J42220
- AISI J42215
- AISI G44220
- AISI C42220
- AISI C42210
- AISI C42200
- SAE B 888 C42200
- SAE B 848 P/F 4220
- SAE B 744 2219
- SAE B 591 C42200
- SAE B 422 C70310
- SAE B 422 C70265
- SAE B 422 C70260
- SAE B 422 C70250
- SAE B 422 C64725
- SAE B 422 C63800
- SAE B 422 C19025
- SAE B 422 C19020
- SAE B 422 C19015